Defense Secretary Ashton Carter told senators that President Barack Obama’s proposed $534-billion budget — $38 billion over the cap — will allow the military to defend the country and fight wars, while also warning that funding the military under the smaller cap could create a national security crisis.

Over the past three decades, the Wall has become a hallowed spot, a place of pilgrimage, homage and reconciliation. Now, some of the 400,000 items left there over the years by visitors are being selected for display in the new $115 million Vietnam War education center planned for a site nearby.

Former Iraq War general David Petraeus is pleading guilty to mishandling classified information, apparently avoiding an embarrassing trial that would have included his affair with Paula Broadwell, according to documents filed in Charlotte, N.C., on Tuesday.

Beneath the dispute between Israeli Prime Minister Benjamin Netanyahu and President Barack Obama about the risks and benefits of nuclear negotiations with Iran lie a wealth of unresolved and highly technical questions. Here are the main six.

Congress has commissioned reports and held hearings over the years on bills focused on protecting the grid from catastrophic disturbances, but it hasn’t taken any action. So a number of state legislators have decided to file their own grid-related measures, and in some cases, the legislation has been adopted.

The Islamic State might be the best-funded radical Islamist group, perhaps in history, but the coalition air campaign that’s targeting its oil-refining operations and military assets has begun to damage its ability to earn.

Standing at the rostum of the House of Representatives, Israeli Prime Minister Benjamin Netanyahu directly challenged the Obama administration’s top foreign policy goal Tuesday, saying negotiations with Iran were headed for “a very bad deal; we’re better off without it.”

Combat casualties, desertion and other issues have left the Afghan National Army the smallest it has been since 2011, even as the country’s security forces face their first fighting season without major international military support.

Cmdr. Ed Handley was described as one of the Navy's "superstars." Then he and two other senior ship leaders were found guilty of violations at a commodore's mast. Handley is now fighting to get his punitive letter of reprimand rescinded and hoping to resume his shot at command.

U.S. officials are increasingly worried that terror groups such as the Islamic State will recruit new foot soldiers from among the 11.4 million Syrians displaced by the country’s civil war, according to the president’s top intelligence adviser.

The House passed a bill late Monday that would allow the Department of Veterans Affairs secretary to recoup bonuses from senior executives implicated in manipulating patient wait-time data last year and other wrongdoing.

A fitness supplement that was twice pulled from exchange store shelves, first following soldier deaths and then after an outbreak of liver disease, has now been found to contain the active ingredient in the prescription drug Prozac, the Food and Drug Administration announced Saturday.

In the coming months, the Air Force is expected to award a $55 billion contract for the next-generation bomber, which would begin flying in the mid-2020s. But that's about all the Air Force will say about the program, which has been cloaked in a veil of secrecy rivaling the jet's stealthy ability to creep past enemy lines. With so little known about it, there is growing concern about the system's cost.

The military judge presiding at the USS Cole death-penalty trial ordered the Pentagon to replace the senior official and his staff overseeing the war court process, ruling that a since-revoked requirement for judges to live at Guantánamo until a trial is over appeared to be unlawful influence.

In December, this former U.S. servicemember travelled to northern Iraq, where he joined a growing band of foreigners leaving their lives in the West behind to fight with newly formed Christian militias. The leaders of those militias say they've been swamped with hundreds of requests from veterans and volunteers from around the world who want to join them.

For decades, San Diego's ties to the military — it has the West Coast's largest Navy base — overshadowed any relationship with Mexico, making it easy to ignore what was happening to the south. Today the region is represented by the CaliBaja Bi-National Mega-Region Initiative, a partnership of economic-development groups. Prominent in that collective is 3D Robotics Inc., North America's largest drone manufacturer.

Attention is being focused on whether to grant Self-Defense Forces troops more authority to use weapons during international cooperation activities, in talks on new legal arrangements on national security between the ruling coalition parties.